113 results on '"Sparteine"'
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2. ChemInform Abstract: Asymmetric Syntheses of 3,4-Disubstituted Tetrahydroquinoline Derivatives Using (+)-Sparteine-Mediated Electrophilic Substitution
3. ChemInform Abstract: Use of Copper(II)/Diamine Catalysts in the Desymmetrization of meso-Diols and Asymmetric Henry Reactions: Comparison of (-)-Sparteine and (+)-Sparteine Surrogates
4. ChemInform Abstract: (+)-Sparteine-Mediated Substitution of o-Benzyl-N-pivaloylaniline with Ketones
5. ChemInform Abstract: Bis(μ-iodo)bis[(-)-sparteine]dicopper: A Versatile Catalyst for Direct O-Arylation and O-Alkylation of Phenols and Aliphatic Alcohols with Haloarenes
6. ChemInform Abstract: Bis(μ-iodo)bis((-)-sparteine)dicopper(I) Catalyzed Sonogashira-Type Reaction under Palladium and Phosphine-Free Conditions
7. ChemInform Abstract: Reactions between Grignard Reagents and Heterocyclic N-Oxides: Stereoselective Synthesis of Substituted Pyridines, Piperidines, and Piperazines
8. ChemInform Abstract: Investigations of Enantioreversal in Both Direct and Directed Enantioselective Aldol Reactions Catalyzed by CuCl2[(-)-Sparteine] and NiCl2[(-)-Sparteine] Complexes
9. ChemInform Abstract: Asymmetric Allylic Alkylation Catalyzed by Palladium-Sparteine Complexes
10. ChemInform Abstract: Enantioselective Deprotonation: The Structure and Reactivity of an Unsymmetrically Complexed Isopropyllithium/Sparteine/Et2O Dimer
11. ChemInform Abstract: Sparteine Complexes of Lithiated Primary O-2-Alkenyl Carbamates Stereochemistry of the Lithium-Titanium Exchange and Application for the Synthesis of Enantiomerically Enriched γ-Lactones
12. ChemInform Abstract: Chiral α,ω-Dioxy Carbanions from 1,3-Propanediol and 1,4- Butanediol by Sparteine-Assisted Deprotonation. Enantioselective Synthesis of 1,3- and 1,4-Diols, (R)-Pantolactone, and a Cyclopropane
13. ChemInform Abstract: Some Stereochemical Aspects of Bisquinolizidine Alkaloids Sparteine Type
14. ChemInform Abstract: Stereoselective Generation of 1,3- and 1,4-Dioxy-Substituted Carbanions by Sparteine-Assisted Deprotonation of Chiral Precursors: Substrate or Reagent Control in the Synthesis of α,γ- and . alpha.,δ-Diols
15. ChemInform Abstract: 1-(N,N-Diisopropylcarbamoyloxy)-1,3-dimethylallyllithium-(-)-Sparteine: Stereochemistry of the Enantioselective Carboxylation and Methoxycarbonylation
16. ChemInform Abstract: Applications of Phase-Transfer Catalysis. Part 56. Experiments with Some (-)-Sparteine and (-)-Brucine Derivatives as Phase-Transfer Catalysts
17. ChemInform Abstract: Synthesis of Enantiomerically Pure Binaphthyl Derivatives. Mechanism of the Enantioselective, Oxidative Coupling of Naphthols and Designing a Catalytic Cycle
18. ChemInform Abstract: Enantioselective Synthesis of (S)-1-Methyldodexyl Acetate, a Pheromone of Drosophila mulleri, via (-)-Sparteine-Assisted Deprotonation of 1- Dodecanol
19. ChemInform Abstract: Studies in the Asymmetric Ring Opening of an Oxabicyclic Compound. Catalytic Asymmetric Induction Using (-)-Sparteine
20. ChemInform Abstract: Asymmetric Substitution: Highly Enantioselective Substitutions Induced at the Carbanion of a Racemic Organolithium Substrate by (-)-Sparteine
21. ChemInform Abstract: Enantioselective Generation of 3-Amino-1-oxy-Substituted Carbanions by Sparteine-Induced Deprotonation: Asymmetric Synthesis of 3- Hydroxyalkylamines
22. ChemInform Abstract: Kinetic Resolution of β-Stereogenic O-Alkyl Carbamates by (-)- Sparteine-Assisted Deprotonation. External Versus Internal Chiral Induction
23. ChemInform Abstract: Asymmetric (2,3)-Wittig Rearrangements in the Presence of Sparteine Derivatives
24. ChemInform Abstract: Asymmetric Substitutions: High and Opposite Enantioselective Alkylations of a Racemic Organolithium Intermediate in the Presence of (-)-Sparteine
25. ChemInform Abstract: Further Studies on the Stereochemistry of Sparteine, Its Isomers and Derivatives. Part 23. 13C NMR Analysis of Sparteine Derivatives Substituted in External Rings - Disalts (I)-(IV)
26. ChemInform Abstract: Enantioselective Synthesis via Sparteine-Induced Asymmetric Deprotonation
27. ChemInform Abstract: 13C NMR Spectroscopic Study of C-Alkyl Substituted Bis-Quinolizidine Alkaloids of the Sparteine Group - Free Bases
28. ChemInform Abstract: Asymmetric Carbolithiation of Cinnamyl Derivatives in the Presence of ( -)-Sparteine
29. ChemInform Abstract: Tetracyclic Alkaloids of the Sparteine Group. 1H and 13C NMR Spectroscopy and Conformational Analysis
30. ChemInform Abstract: Toward the Synthesis of Sparteine: Intramolecular Schmidt Reactions on a Norbornanone Platform
31. ChemInform Abstract: Experimental and Theoretical Studies of the Internal Stereodifferentiation Occurring During the Lithiation of β- Stereogenic Alkyl Carbamates. Kinetic Resolutions by (-)-Sparteine- Mediated Deprotonation
32. ChemInform Abstract: Asymmetric Deprotonation by BuLi/(-)-Sparteine: Convenient and Highly Enantioselective Syntheses of (S)-2-Aryl-boc-pyrrolidines
33. ChemInform Abstract: (-)-Sparteine-Mediated α-Lithiation of N-Boc-N-(p-methoxyphenyl) benzylamine: Enantioselective Syntheses of (S)- and (R)-Mono- and - Disubstituted N-Boc-benzylamines
34. ChemInform Abstract: Oxidative Deamination of Tetrahydroanabasine with o-Quinones: An Easy Entry to Lupinine, Sparteine, and Anabasine
35. ChemInform Abstract: Enantioselective, Electrocatalytic Lactonization of Methyl-Substituted Diols on a TEMPO-Modified Graphite Felt Electrode in the Presence of (- )-Sparteine
36. ChemInform Abstract: Enantioselective Synthesis of Phenylglycines Using (-)-Sparteine× sBuLi Complex
37. ChemInform Abstract: Enantioselective Carbolithiation of β-Alkylated Styrene
38. ChemInform Abstract: Enantioselective Synthesis with Lithium/(-)-Sparteine Carbanion Pairs
39. ChemInform Abstract: Convenient Synthesis of Enantiomerically Enriched β-Cyclopropylalaninol Derivatives by Kinetic Resolution via (-)-Sparteine-Mediated Deprotonation
40. ChemInform Abstract: (-)-Sparteine-Mediated Stereoselective Intramolecular Carbolithiation of Alkynes
41. ChemInform Abstract: Enantioselective [2,3] Sigmatropic Rearrangement of α-Propargyloxyacetic Acids Mediated by BuLi-(-)-Sparteine Complex
42. ChemInform Abstract: A Direct Synthesis of P-Chiral Phosphine-Boranes via Dynamic Resolution of Lithiated Racemic tert-Butylphenylphosphine-Borane with (-)-Sparteine
43. ChemInform Abstract: Preparation of Enantioenriched α-Silyl-benzylcarbamates
44. ChemInform Abstract: Stereoselective Synthesis of Hydroxyindolizidines via Sparteine-Assisted Deprotonation of N-Boc-pyrrolidine
45. ChemInform Abstract: Deracemization of Diarylmethanes via Lateral Lithiation-Protonation Sequences by Means of Sparteine
46. ChemInform Abstract: Enantioselective Carbanion Cyclization of 5-Alkenyl Carbamates Induced by Asymmetric Lithiation with s-Butyllithium/(-)-Sparteine System
47. ChemInform Abstract: Enantioselective Nucleophilic Opening of meso Epoxides by Organolithium Reagents
48. ChemInform Abstract: Formation and Reaction of 2-Metalated N-Boc-4,4-dimethyl-1,3-oxazolidines in the Presence of (-)-Sparteine: New Chiral Formyl Anion Equivalents
49. ChemInform Abstract: Enantioselective Lithiation and Substitution of (E)-Cinnamyl N,N-Diisopropylcarbamate Through Use of (-)-Sparteine Complexes
50. ChemInform Abstract: Enantioselective [2,3]-Wittig Rearrangement via Sparteine-Mediated Lateral Metalation of N,N-Dialkyl-o-allyloxymethylbenzamides and o-Substituted Benzyl Prenyl Ethers
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